On Fri, 30 Aug 2013, Nikolaus Rath wrote:
> Todd Lyons <tlyons@???> writes:
> >> Hello,
> >>
> >> Since a few weeks, my mail server can apparently no longer talk to the
> >> servers of web.de's freemail service.
> >>
> >> Unfortunately, even with -d+tls, I don't seem to be able to get anything
> >> useful about what's going wrong:
> [...]
> > If you have the capability, downgrade gnutls. Or if you have the
> > ability, install openssl, rebuild exim, and link against openssl
> > instead. Neither option is easy. But it's likely that it's the
> > specific version of gnutls not interoperating with the remote side.
>
> Well, I already worked around the problem by disabling TLS for the
> problematic hosts. My question is really about finding out why exactly
> it's not interoperating (so that I can file a bug against gnutls or
> complain to the other postmaster).
Run tcpdump or wireshark against all the ip's that web.de uses to capture
the traffic, wireshark has a good tls disector so it should show you
something.
--
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